E6 went wrong...
Old 08-04-2016   #1
valdas
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E6 went wrong...

It's not that I am novice at E6, it's my second screw up in about 10 years... Here is the story. I partially used E6 concentrate about 3 months ago (all went fine - good results) and stored the rest in the room terperature conditions (used Protecan). Now I had another batch of slide films to process - to my surprise the film came out not developed (completely thick, not transparent at all). What's your diagnosis - first developer turned bad?
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Old 08-04-2016   #2
taemo
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From my limited experience with E6, I recall that E6 concentrate gets exhausted after 24 hours. Unlike C-41 which can last for a while.
Which is why I don't open my E6 box until I have enough rolls to develop.
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Old 08-04-2016   #3
valdas
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Quote:
Originally Posted by taemo View Post
From my limited experience with E6, I recall that E6 concentrate gets exhausted after 24 hours. Unlike C-41 which can last for a while.
Which is why I don't open my E6 box until I have enough rolls to develop.
I think you are talking about working solution, not concentrate. Open concentrate should last about 24 weeks (based on the datasheet that comes with the package).
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Old 08-04-2016   #4
JP Owens
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It's been a while, but my experience when I was doing a lot of e6 was that an opened kit was good for about 6 months, max, depending on how much remained in the bottle. It seemed the 1st Developer was the chemistry that died most quickly.
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Old 08-04-2016   #5
Ronald M
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contamination ??
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Old 08-04-2016   #6
judsonzhao
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I would strongly suspect blix which is used to remove silver
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Old 08-04-2016   #7
taemo
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Quote:
Originally Posted by valdas View Post
I think you are talking about working solution, not concentrate. Open concentrate should last about 24 weeks (based on the datasheet that comes with the package).
i thought both working solution and concentrate, basically the moment you open the bottles.

good to know though that the concentrate will last 24 weeks or 6 months.
found an opened kit in one of our shelves but it has probably been opened for over a year now.
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Old 08-04-2016   #8
valdas
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Quote:
Originally Posted by Ronald M View Post
contamination ??
unlikely, I am careful...
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